------
        { lastName: 'a',
          firstName: 'a',
          repeatPassword: 'asd',
          password: 'asd',
          email: 'asd@asd.com',
          _id: 56bb9cc91ef3ab8c6fab38be }
        { firstName: 'a',
          lastName: 'a',
          email: 'asd@asd.com',
          image: null }
        { answers: [],
          published: Wed Feb 10 2016 14:25:44 GMT-0600 (CST),
          score: 6,
          user: '56bb9cc91ef3ab8c6fab38be',
          category: 'C1',
          text: 'Q1',
          _id: 56bb9cc91ef3ab8c6fab38bf }
        ------
        { lastName: 'a',
          firstName: 'a',
          repeatPassword: 'asd',
          password: 'asd',
          email: 'asd@asd.com',
          _id: 56bb9cc91ef3ab8c6fab38be }
        { firstName: 'a',
          lastName: 'a',
          email: 'asd@asd.com',
          image: null }
        { answers: [],
          published: Tue Feb 09 2016 14:25:44 GMT-0600 (CST),
          score: 5,
          user: '56bb9cc91ef3ab8c6fab38be',
          category: 'C2',
          text: 'Q3',
          _id: 56bb9cc91ef3ab8c6fab38c1 }